Standardized Dietary Supplement. From the makers of Unisom. Non-habit forming. Calcium. Vitamin B6. Melatonin. Supports your natural sleep process. Contains synthetically derived melatonin. Natural Nights helps promote sleep by: Supplementing the melatonin our bodies naturally produced which regulates the natural sleep/wake cycle. Restoring vitamin B6 and calcium that stress takes away. Working through the night with an extended-release delivery system that gradually releases melatonin while you sleep. www.chattem.com. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)